mirror of https://github.com/Icinga/icinga2.git
361 lines
10 KiB
C++
361 lines
10 KiB
C++
/******************************************************************************
|
|
* Icinga 2 *
|
|
* Copyright (C) 2012-2015 Icinga Development Team (http://www.icinga.org) *
|
|
* *
|
|
* This program is free software; you can redistribute it and/or *
|
|
* modify it under the terms of the GNU General Public License *
|
|
* as published by the Free Software Foundation; either version 2 *
|
|
* of the License, or (at your option) any later version. *
|
|
* *
|
|
* This program is distributed in the hope that it will be useful, *
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
|
|
* GNU General Public License for more details. *
|
|
* *
|
|
* You should have received a copy of the GNU General Public License *
|
|
* along with this program; if not, write to the Free Software Foundation *
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
|
|
******************************************************************************/
|
|
#include <Windows.h>
|
|
#include <Shlwapi.h>
|
|
#include <tlhelp32.h>
|
|
#include <iostream>
|
|
|
|
#include "thresholds.h"
|
|
|
|
#include "boost/program_options.hpp"
|
|
|
|
#define VERSION 1.0
|
|
|
|
namespace po = boost::program_options;
|
|
|
|
using std::endl; using std::wstring; using std::wcout;
|
|
using std::cout;
|
|
|
|
static BOOL debug = FALSE;
|
|
|
|
struct printInfoStruct
|
|
{
|
|
threshold warn, crit;
|
|
wstring user;
|
|
};
|
|
|
|
static int countProcs();
|
|
static int countProcs(const wstring);
|
|
static int parseArguments(int, wchar_t **, po::variables_map&, printInfoStruct&);
|
|
static int printOutput(const int, printInfoStruct&);
|
|
|
|
int wmain(int argc, wchar_t **argv)
|
|
{
|
|
po::variables_map vm;
|
|
printInfoStruct printInfo = { };
|
|
|
|
int r = parseArguments(argc, argv, vm, printInfo);
|
|
|
|
if (r != -1)
|
|
return r;
|
|
|
|
if(!printInfo.user.empty())
|
|
return printOutput(countProcs(printInfo.user), printInfo);
|
|
|
|
return printOutput(countProcs(), printInfo);
|
|
}
|
|
|
|
int parseArguments(int ac, wchar_t **av, po::variables_map& vm, printInfoStruct& printInfo)
|
|
{
|
|
wchar_t namePath[MAX_PATH];
|
|
GetModuleFileName(NULL, namePath, MAX_PATH);
|
|
wchar_t *progName = PathFindFileName(namePath);
|
|
|
|
po::options_description desc;
|
|
|
|
desc.add_options()
|
|
("help,h", "print help message and exit")
|
|
("version,V", "print version and exit")
|
|
("debug,d", "Verbose/Debug output")
|
|
("user,u", po::wvalue<wstring>(), "count only processes by user [arg]")
|
|
("warning,w", po::wvalue<wstring>(), "warning threshold")
|
|
("critical,c", po::wvalue<wstring>(), "critical threshold")
|
|
;
|
|
|
|
po::basic_command_line_parser<wchar_t> parser(ac, av);
|
|
|
|
try {
|
|
po::store(
|
|
parser
|
|
.options(desc)
|
|
.style(
|
|
po::command_line_style::unix_style |
|
|
po::command_line_style::allow_long_disguise)
|
|
.run(),
|
|
vm);
|
|
vm.notify();
|
|
} catch (std::exception& e) {
|
|
std::cout << e.what() << endl << desc << endl;
|
|
return 3;
|
|
}
|
|
|
|
if (vm.count("help")) {
|
|
wcout << progName << " Help\n\tVersion: " << VERSION << endl;
|
|
wprintf(
|
|
L"%s is a simple program to check a machines processes.\n"
|
|
L"You can use the following options to define its behaviour:\n\n", progName);
|
|
cout << desc;
|
|
wprintf(
|
|
L"\nIt will then output a string looking something like this:\n\n"
|
|
L"\tPROCS WARNING 67 | load=67;50;90;0\n\n"
|
|
L"\"PROCS\" being the type of the check, \"WARNING\" the returned status\n"
|
|
L"and \"67\" is the returned value.\n"
|
|
L"The performance data is found behind the \"|\", in order:\n"
|
|
L"returned value, warning threshold, critical threshold, minimal value and,\n"
|
|
L"if applicable, the maximal value. Performance data will only be displayed when\n"
|
|
L"you set at least one threshold\n\n"
|
|
L"For \"-user\" option keep in mind you need root to see other users processes\n\n"
|
|
L"%s' exit codes denote the following:\n"
|
|
L" 0\tOK,\n\tNo Thresholds were broken or the programs check part was not executed\n"
|
|
L" 1\tWARNING,\n\tThe warning, but not the critical threshold was broken\n"
|
|
L" 2\tCRITICAL,\n\tThe critical threshold was broken\n"
|
|
L" 3\tUNKNOWN, \n\tThe program experienced an internal or input error\n\n"
|
|
L"Threshold syntax:\n\n"
|
|
L"-w THRESHOLD\n"
|
|
L"warn if threshold is broken, which means VALUE > THRESHOLD\n"
|
|
L"(unless stated differently)\n\n"
|
|
L"-w !THRESHOLD\n"
|
|
L"inverts threshold check, VALUE < THRESHOLD (analogous to above)\n\n"
|
|
L"-w [THR1-THR2]\n"
|
|
L"warn is VALUE is inside the range spanned by THR1 and THR2\n\n"
|
|
L"-w ![THR1-THR2]\n"
|
|
L"warn if VALUE is outside the range spanned by THR1 and THR2\n\n"
|
|
L"-w THRESHOLD%%\n"
|
|
L"if the plugin accepts percentage based thresholds those will be used.\n"
|
|
L"Does nothing if the plugin does not accept percentages, or only uses\n"
|
|
L"percentage thresholds. Ranges can be used with \"%%\", but both range values need\n"
|
|
L"to end with a percentage sign.\n\n"
|
|
L"All of these options work with the critical threshold \"-c\" too."
|
|
, progName);
|
|
cout << endl;
|
|
return 0;
|
|
}
|
|
|
|
if (vm.count("version")) {
|
|
std::cout << "Version: " << VERSION << endl;
|
|
return 0;
|
|
}
|
|
|
|
if (vm.count("warning")) {
|
|
try {
|
|
printInfo.warn = threshold(vm["warning"].as<wstring>());
|
|
} catch (std::invalid_argument& e) {
|
|
cout << e.what() << endl;
|
|
return 3;
|
|
}
|
|
}
|
|
if (vm.count("critical")) {
|
|
try {
|
|
printInfo.crit = threshold(vm["critical"].as<wstring>());
|
|
} catch (std::invalid_argument& e) {
|
|
cout << e.what() << endl;
|
|
return 3;
|
|
}
|
|
}
|
|
|
|
if (vm.count("user"))
|
|
printInfo.user = vm["user"].as<wstring>();
|
|
|
|
if (vm.count("debug"))
|
|
debug = TRUE;
|
|
|
|
return -1;
|
|
}
|
|
|
|
int printOutput(const int numProcs, printInfoStruct& printInfo)
|
|
{
|
|
if (debug)
|
|
wcout << L"Constructing output string" << endl;
|
|
|
|
state state = OK;
|
|
|
|
if (printInfo.warn.rend(numProcs))
|
|
state = WARNING;
|
|
|
|
if (printInfo.crit.rend(numProcs))
|
|
state = CRITICAL;
|
|
|
|
wstring user = L"";
|
|
if (!printInfo.user.empty())
|
|
user.append(L" processes of user ").append(printInfo.user);
|
|
|
|
switch (state) {
|
|
case OK:
|
|
wcout << L"PROCS OK " << numProcs << user << L" | procs=" << numProcs << L";"
|
|
<< printInfo.warn.pString() << L";" << printInfo.crit.pString() << L";0;" << endl;
|
|
break;
|
|
case WARNING:
|
|
wcout << L"PROCS WARNING " << numProcs << user << L" | procs=" << numProcs << L";"
|
|
<< printInfo.warn.pString() << L";" << printInfo.crit.pString() << L";0;" << endl;
|
|
break;
|
|
case CRITICAL:
|
|
wcout << L"PROCS CRITICAL " << numProcs << user << L" | procs=" << numProcs << L";"
|
|
<< printInfo.warn.pString() << L";" << printInfo.crit.pString() << L";0;" << endl;
|
|
break;
|
|
}
|
|
|
|
return state;
|
|
}
|
|
|
|
int countProcs()
|
|
{
|
|
if (debug)
|
|
wcout << L"Counting all processes" << endl;
|
|
|
|
HANDLE hProcessSnap = NULL;
|
|
PROCESSENTRY32 pe32;
|
|
|
|
if (debug)
|
|
wcout << L"Creating snapshot" << endl;
|
|
|
|
hProcessSnap = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
|
|
if (hProcessSnap == INVALID_HANDLE_VALUE)
|
|
return -1;
|
|
|
|
pe32.dwSize = sizeof(PROCESSENTRY32);
|
|
|
|
if (debug)
|
|
wcout << L"Grabbing first proccess" << endl;
|
|
|
|
if (!Process32First(hProcessSnap, &pe32)) {
|
|
CloseHandle(hProcessSnap);
|
|
return -1;
|
|
}
|
|
|
|
int numProcs = 0;
|
|
|
|
if (debug)
|
|
wcout << L"Counting processes..." << endl;
|
|
|
|
do {
|
|
++numProcs;
|
|
} while (Process32Next(hProcessSnap, &pe32));
|
|
|
|
if (debug)
|
|
wcout << L"Found " << numProcs << L" processes. Cleaning up udn returning" << endl;
|
|
|
|
if (hProcessSnap)
|
|
CloseHandle(hProcessSnap);
|
|
return numProcs;
|
|
}
|
|
|
|
int countProcs(const wstring user)
|
|
{
|
|
if (debug)
|
|
wcout << L"Counting all processes of user" << user << endl;
|
|
|
|
const wchar_t *wuser = user.c_str();
|
|
int numProcs = 0;
|
|
|
|
HANDLE hProcessSnap, hProcess = NULL, hToken = NULL;
|
|
PROCESSENTRY32 pe32;
|
|
DWORD dwReturnLength, dwAcctName, dwDomainName;
|
|
PTOKEN_USER pSIDTokenUser = NULL;
|
|
SID_NAME_USE sidNameUse;
|
|
LPWSTR AcctName, DomainName;
|
|
|
|
if (debug)
|
|
wcout << L"Creating snapshot" << endl;
|
|
|
|
hProcessSnap = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
|
|
if (hProcessSnap == INVALID_HANDLE_VALUE)
|
|
goto die;
|
|
|
|
pe32.dwSize = sizeof(PROCESSENTRY32);
|
|
|
|
if (debug)
|
|
wcout << L"Grabbing first proccess" << endl;
|
|
|
|
if (!Process32First(hProcessSnap, &pe32))
|
|
goto die;
|
|
|
|
if (debug)
|
|
wcout << L"Counting processes..." << endl;
|
|
|
|
do {
|
|
if (debug)
|
|
wcout << L"Getting process token" << endl;
|
|
|
|
//get ProcessToken
|
|
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, pe32.th32ProcessID);
|
|
if (!OpenProcessToken(hProcess, TOKEN_QUERY, &hToken))
|
|
//Won't count pid 0 (system idle) and 4/8 (Sytem)
|
|
continue;
|
|
|
|
//Get dwReturnLength in first call
|
|
dwReturnLength = 1;
|
|
if (!GetTokenInformation(hToken, TokenUser, NULL, 0, &dwReturnLength)
|
|
&& GetLastError() != ERROR_INSUFFICIENT_BUFFER)
|
|
continue;
|
|
|
|
pSIDTokenUser = reinterpret_cast<PTOKEN_USER>(new BYTE[dwReturnLength]);
|
|
memset(pSIDTokenUser, 0, dwReturnLength);
|
|
|
|
if (!pSIDTokenUser) {
|
|
if (debug)
|
|
wcout << L"Could not recieve token, skiping" << endl;
|
|
continue;
|
|
}
|
|
|
|
if (debug)
|
|
wcout << L"Recieved token, saving information" << endl;
|
|
|
|
//write Info in pSIDTokenUser
|
|
if (!GetTokenInformation(hToken, TokenUser, pSIDTokenUser, dwReturnLength, NULL))
|
|
continue;
|
|
|
|
AcctName = NULL;
|
|
DomainName = NULL;
|
|
dwAcctName = 1;
|
|
dwDomainName = 1;
|
|
|
|
if (debug)
|
|
wcout << L"Looking up SID" << endl;
|
|
|
|
//get dwAcctName and dwDomainName size
|
|
if (!LookupAccountSid(NULL, pSIDTokenUser->User.Sid, AcctName,
|
|
(LPDWORD)&dwAcctName, DomainName, (LPDWORD)&dwDomainName, &sidNameUse)
|
|
&& GetLastError() != ERROR_INSUFFICIENT_BUFFER)
|
|
continue;
|
|
|
|
AcctName = reinterpret_cast<LPWSTR>(new WCHAR[dwAcctName]);
|
|
DomainName = reinterpret_cast<LPWSTR>(new WCHAR[dwDomainName]);
|
|
|
|
if (!AcctName || !DomainName)
|
|
continue;
|
|
|
|
if (!LookupAccountSid(NULL, pSIDTokenUser->User.Sid, AcctName,
|
|
(LPDWORD)&dwAcctName, DomainName, (LPDWORD)&dwDomainName, &sidNameUse))
|
|
continue;
|
|
|
|
if (debug)
|
|
wcout << L"Comparing " << AcctName << L" to " << wuser << endl;
|
|
if (!wcscmp(AcctName, wuser)) {
|
|
++numProcs;
|
|
if (debug)
|
|
wcout << L"Is process of " << wuser << L" (" << numProcs << L")" << endl;
|
|
}
|
|
|
|
delete[] reinterpret_cast<LPWSTR>(AcctName);
|
|
delete[] reinterpret_cast<LPWSTR>(DomainName);
|
|
|
|
} while (Process32Next(hProcessSnap, &pe32));
|
|
|
|
|
|
die:
|
|
if (hProcessSnap)
|
|
CloseHandle(hProcessSnap);
|
|
if (hProcess)
|
|
CloseHandle(hProcess);
|
|
if (hToken)
|
|
CloseHandle(hToken);
|
|
if (pSIDTokenUser)
|
|
delete[] reinterpret_cast<PTOKEN_USER>(pSIDTokenUser);
|
|
return numProcs;
|
|
} |